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4675 Duarte Ave, Oakley, CA 94561 Property Records

Contra Costa County property record for 4675 Duarte Ave, Oakley, CA 94561

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 1,703 sqft · built 1989
Lot Size0.138 acres (6,012 sqft)
Owner2 Individual Names on File
Last Sale$670,000 (Apr 2023)
Tax Bill$8,651 (2025)
Deeds & MortgagesApr 2023 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN035-671-013-7

Property Details

APN / Parcel Number

Primary APN035-671-013-7
Alternative APN
  • 035-671-013

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area1,703 sqft Living Area
1st Floor Area813 sqft
2nd Floor Area890 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1989
Effective Year BuiltEffective 2000
Exterior MaterialWood Siding
Roof MaterialComposition Shingle
Lot Area6,012 sqft (0.138 acres)
Garage TypeAttached
Garage Area451 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address4675 DUARTE AVE
CityOAKLEY
StateCA
Zip94561-2056
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT6865 L13
Legal SubdivisionSUBDIVISION 6865
Legal Tract6865
Legal Lot Number13
JurisdictionCONTRA COSTA CA
Township / Civil DivisionEAST CONTRA COSTA
Census Block Group4
Census Block4000
Census Tract302005

Owner

4675 Duarte Ave is owned and occupied by two individuals who bought it in April 2023.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Individual Names on File
Mailing Address4675 DUARTE AVE, OAKLEY, CA 94561-2056
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 28, 2023 · Amount on File
Deed SaleApr 28, 2023 · Amount on File
Prior SaleJan 18, 1995 · Amount on File
Deed Document Number202339665
Prior Transfer DateDec 9, 1993
Prior Transfer Doc0000357358
Record UpdatedOct 29, 2026

April 2023: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 28, 2023
Property Address4675 DUARTE AVE, OAKLEY, CA 94561-2056
Document Number0000039665
Map ReferenceMB 318 PG 10
Instrument DateApr 25, 2023
Instrument2023-039665
Transaction TypeTransfer
Record UpdatedMay 9, 2023
Title CompanyOLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Notice of Default
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property with Right of Survivorship
Address4675 DUARTE AVE, OAKLEY, CA 94561-2056

Mortgage

Document Number0000039666
DateApr 28, 2023
Instrument2023-039666
Lender
NameCROSSCOUNTRY MORTGAGE LLC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueMay 1, 2053

Tax Assessment & Valuation

The 2025 property tax bill for 4675 Duarte Ave was $8,651.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityOakley City
Secondary School DistrictLiberty Union High School District (09 - 12)
Elementary School DistrictOakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$711,008 (+2%) Land $339,586 Building $371,422
2025$8,651.00$697,068 Land $332,928 Building $364,140
2023$3,976.00 (+0.73%)$267,156 Land $64,560 Building $202,596
2022$3,947.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 4675 Duarte Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 4675 Duarte Ave is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemDIABLO WATER DISTRICT
serves 47,158 people · EPA ID CA0710007
Water SourcePurchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State InspectionJan 2024
Also Mapped HereCONTRA COSTA WATER DISTRICT
Lead2 ppb (2020–2022)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 645 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber in parts of the area		100 / 20

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